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Finding the Fourth Proportional to 22,624.86, 34,110.86 and 21,100.26

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Solution

The fourth proportional to 22,624.86, 34,110.86 and 21,100.26 is: 31,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,624.86 : 34,110.86 = 21,100.26 : x
  2. Step 2: Convert to fraction form
    22,624.86/34,110.86 = 21,100.26/x
  3. Step 3: Cross multiply
    22,624.86x = 34,110.86 × 21,100.26
  4. Step 4: Simplify right side
    22,624.86x = 719,748,067.57
  5. Step 5: Solve for x
    x = 719,748,067.57/22,624.86
  6. Step 6: Final answer
    x = 31,812.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.